runtime
https://github.com/dotnet/runtime
C#
.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.
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- Issues
- JIT: LSRA never reuses an enregistered 256/512-bit vector constant on windows-x64, even in call-free code
- JIT: (Perf) loops over two shrinking spans keep 4 IVs (ptr+len per span) instead of comparing pointers
- JIT: (Perf) constant-offset `Slice` is not folded into the load/store addressing mode
- JIT: (Perf) `(x & ~0xFF) == 0` is not used to prove `x < 256` for bounds checks
- ARM64: seed an expensive 64-bit constant with a bitmask-immediate MOV plus one MOVK
- The trace did not contain an AllocationSampled event
- [Design] RISC-V: NativeAOT soft-float target (`riscv64-lp64`) and builds without the `A` extension
- CoreCLR aborts when Objective-C dealloc re-enters managed code during pthread destruction on macOS
- System.Security.Cryptography.Tests.HpkeImplementationTests.InvalidEncapsulation_Rejected fails in CI
- [API Proposal]: Add `IOException.Path`/`FileName`
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